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A P P E N D I X A - Loopback Connectors
Shaxon MATELFM-AG-B Loopback Adapter RJ48C Jack & RJ45 Male, Khaki Green - www.americancableassemblies.com
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Learn to make your own loopback plug or loopback adapter! - YouTube
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6-Pack 4-Pair Ethernet Loopback Plug, Pinout 1-3,2-6,4-7,5-8 Green, TS-UL02-6 - CablesOnline
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Loopback Adapter Tester Plug RJ45 Network GigaBit 100MB Ethernet
Performing Loopback Testing for Fast Ethernet and Gigabit Ethernet Interfaces | Junos OS | Juniper Networks
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